Home / 10,003.53-15,005.30-2,607.98

Finding the Fourth Proportional to 10,003.53, 15,005.30 and 2,607.98

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Solution

The fourth proportional to 10,003.53, 15,005.30 and 2,607.98 is: 3,911.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,003.53 : 15,005.30 = 2,607.98 : x
  2. Step 2: Convert to fraction form
    10,003.53/15,005.30 = 2,607.98/x
  3. Step 3: Cross multiply
    10,003.53x = 15,005.30 × 2,607.98
  4. Step 4: Simplify right side
    10,003.53x = 39,133,434.23
  5. Step 5: Solve for x
    x = 39,133,434.23/10,003.53
  6. Step 6: Final answer
    x = 3,911.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.